5" x 7 Ain't What You Don't Know - Mark Twain Greeting Card
It ain't what you don't know that gets you into trouble. It's what you know for sure that just ain't so. - Mark Twain. This high-quality greeting card measures 5 x 7 inches. It is blank inside. The card ships in a clear cello bag along with an envelope. This design is also available as a print and magnet. Made in the USA.